Shook-Sa, B. E., P. Kott, M. Berzofsky, G. L. Couzens, A. Moore, P. Lee, L. Langton, and M. Planty. “Maintaining Precision in Survey Estimates While Adjusting for Conditional Bias at the Subnational Level through Calibration Weighting”. Survey Research Methods, Vol. 11, no. 4, Dec. 2017, pp. 405-14, doi:10.18148/srm/2017.v11i4.6789.